The TecNec ITP1 "In The Picture" works like a cameraman to automatically track the action. With "In The Picture", you can enjoy yourself while the video is being recorded. There's no need to stand back and peer through the viewfinder. Perfect for sports coverage or as an instructional tool. Its easy to use - simply mount "In The Picture" between any camcorder up to 8 lbs. and a tripod. Clip the small transmitter on your belt and the camcorder will follow the action. Can also be used with a still camera for great action shots. Durable ABS plastic construction. Continuous panning capability can track the action anywhere within a 35 foot radius/4,000 square foot coverage. Automatic motion control for smooth pictures. Manual tilt adjustment. Automatic adjustment for indoor/outdoor use. System Includes: Tracking unit, Adjustable clip on wireless transmitter (2.5" x 2.5" x 1" - 5 oz.). Uses 10 "AA" batteries and 1 9-volt battery (not included). No AC adapter is available, battery power only.